github - ghsa-qvww-9jm9-f3pm

ghsa-qvww-9jm9-f3pm

Vulnerability from github

Published

2022-07-07 00:00

Modified

2022-07-15 00:00

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

OpenVPN Access Server 2.10 and prior versions are susceptible to resending multiple packets in a response to a reset packet sent from the client which the client again does not respond to, resulting in a limited amplification attack.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2021-4234"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-07-06T20:15:00Z",
    "severity": "HIGH"
  },
  "details": "OpenVPN Access Server 2.10 and prior versions are susceptible to resending multiple packets in a response to a reset packet sent from the client which the client again does not respond to, resulting in a limited amplification attack.",
  "id": "GHSA-qvww-9jm9-f3pm",
  "modified": "2022-07-15T00:00:22Z",
  "published": "2022-07-07T00:00:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4234"
    },
    {
      "type": "WEB",
      "url": "https://openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2021-4234

Vulnerability from cvelistv5

Published

2022-07-06 19:10

Modified

2024-08-03 17:23

Severity ?

Summary

References

▼	URL	Tags
	https://openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

n/a

OpenVPN Access Server

Version: 2.10 and prior version

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:23:09.056Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "OpenVPN Access Server",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "2.10 and prior version"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "OpenVPN Access Server 2.10 and prior versions are susceptible to resending multiple packets in a response to a reset packet sent from the client which the client again does not respond to, resulting in a limited amplification attack."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-406",
              "description": "CWE-406: Insufficient Control of Network Message Volume",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-07-06T19:10:17",
        "orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
        "shortName": "OpenVPN"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@openvpn.net",
          "ID": "CVE-2021-4234",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "OpenVPN Access Server",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "2.10 and prior version"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "OpenVPN Access Server 2.10 and prior versions are susceptible to resending multiple packets in a response to a reset packet sent from the client which the client again does not respond to, resulting in a limited amplification attack."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-406: Insufficient Control of Network Message Volume"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0",
              "refsource": "MISC",
              "url": "https://openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
    "assignerShortName": "OpenVPN",
    "cveId": "CVE-2021-4234",
    "datePublished": "2022-07-06T19:10:17",
    "dateReserved": "2022-07-01T00:00:00",
    "dateUpdated": "2024-08-03T17:23:09.056Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted